panic: pmap_san_enter_alloc_4k: no memory to grow shadow map cpuid = 0 time = 1655859652 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a6b6a9f0 kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a6b6ab50 vpanic() at vpanic+0x254/frame 0xfffffe00a6b6ac30 panic() at panic+0xb5/frame 0xfffffe00a6b6ad00 pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe00a6b6ad20 pmap_san_enter() at pmap_san_enter+0x351/frame 0xfffffe00a6b6ad70 kasan_shadow_map() at kasan_shadow_map+0x98/frame 0xfffffe00a6b6ad90 pmap_growkernel() at pmap_growkernel+0xdf/frame 0xfffffe00a6b6add0 vm_map_insert() at vm_map_insert+0x678/frame 0xfffffe00a6b6af30 vm_map_find() at vm_map_find+0x92d/frame 0xfffffe00a6b6b010 kva_import() at kva_import+0xd4/frame 0xfffffe00a6b6b0f0 vmem_try_fetch() at vmem_try_fetch+0x21f/frame 0xfffffe00a6b6b1e0 vmem_xalloc() at vmem_xalloc+0x52f/frame 0xfffffe00a6b6b2a0 kva_import_domain() at kva_import_domain+0x5f/frame 0xfffffe00a6b6b2f0 vmem_try_fetch() at vmem_try_fetch+0x21f/frame 0xfffffe00a6b6b3d0 vmem_xalloc() at vmem_xalloc+0x52f/frame 0xfffffe00a6b6b490 vmem_alloc() at vmem_alloc+0x106/frame 0xfffffe00a6b6b4f0 kmem_malloc_domainset() at kmem_malloc_domainset+0x175/frame 0xfffffe00a6b6b610 keg_alloc_slab() at keg_alloc_slab+0x1d3/frame 0xfffffe00a6b6b730 zone_import() at zone_import+0x2d7/frame 0xfffffe00a6b6b8f0 zone_alloc_item() at zone_alloc_item+0x166/frame 0xfffffe00a6b6b9d0 vm_map_entry_create() at vm_map_entry_create+0xab/frame 0xfffffe00a6b6b9f0 vmspace_fork() at vmspace_fork+0x9bc/frame 0xfffffe00a6b6bb10 fork1() at fork1+0x8f6/frame 0xfffffe00a6b6bc30 sys_fork() at sys_fork+0xe3/frame 0xfffffe00a6b6bd30 amd64_syscall() at amd64_syscall+0x410/frame 0xfffffe00a6b6bf30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00a6b6bf30 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x28a55a, rsp = 0x8311fbf08, rbp = 0x8311fbf70 --- KDB: enter: panic [ thread pid 6999 tid 107807 ] Stopped at kdb_enter+0x6b: movq $0,0x275b2ea(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe00033eee30 rdx 0xdffff7c000000000 rbx 0 rsp 0xfffffe00a6b6ab30 rbp 0xfffffe00a6b6ab50 rsi 0x1 rdi 0 r8 0x3 r9 0xffffffff r10 0 r11 0xfffffe00a6919190 r12 0 r13 0xfffffe00a6801900 r14 0xffffffff82b5ae60 .str.26 r15 0xffffffff82b5ae60 .str.26 rip 0xffffffff8171b42b kdb_enter+0x6b rflags 0x46 kdb_enter+0x6b: movq $0,0x275b2ea(%rip) db> show proc Process 6999 (syz-executor.0) at 0xfffffe00a6897a90: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 6903 at 0xfffffe00a656ca90 ABI: FreeBSD ELF64 flag: 0x10000000 flag2: 0 arguments: /root/syz-executor.0 exec reaper: 0xfffffe0053dcc000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe00a688c000 (map 0xfffffe00a688c000) (map.pmap 0xfffffe00a688c0c0) (pmap 0xfffffe00a688c128) threads: 1 107807 Run CPU 0 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 10256 6952 777 0 N syz-executor.0 10255 6946 777 0 N syz-executor.0 10254 6945 777 0 N syz-executor.0 10253 6944 777 0 N syz-executor.0 10252 6941 777 0 N syz-executor.0 10251 6929 777 0 N syz-executor.0 10250 6927 777 0 N syz-executor.0 10249 6925 777 0 N syz-executor.0 10248 6924 777 0 N syz-executor.0 10247 6902 777 0 N syz-executor.0 10246 6900 777 0 N syz-executor.0 10245 6898 777 0 N syz-executor.0 10244 6896 777 0 N syz-executor.0 10243 6894 777 0 N syz-executor.0 10242 6886 777 0 N syz-executor.0 10241 6885 777 0 N syz-executor.0 10240 6877 777 0 N syz-executor.0 10239 6876 777 0 N syz-executor.0 10238 6875 777 0 N syz-executor.0 10237 6874 777 0 N syz-executor.0 10236 6873 777 0 N syz-executor.0 10235 6871 777 0 N syz-executor.0 10234 6866 777 0 N syz-executor.0 10233 6872 777 0 N syz-executor.0 10232 7032 777 0 N syz-executor.0 10231 6882 777 0 N syz-executor.0 10230 6955 777 0 N syz-executor.0 10229 6918 777 0 N syz-executor.0 10228 6998 777 0 N syz-executor.0 10227 6960 777 0 N syz-executor.0 10226 6994 777 0 N syz-executor.0 10225 6982 777 0 N syz-executor.0 10224 6990 777 0 N syz-executor.0 10223 6985 777 0 N syz-executor.0 10222 6987 777 0 N syz-executor.0 10221 6949 777 0 N syz-executor.0 10220 7941 777 0 N syz-executor.0 10219 7939 777 0 N syz-executor.0 10218 7937 777 0 N syz-executor.0 10217 7933 777 0 N syz-executor.0 10216 7784 777 0 N syz-executor.0 10215 7782 777 0 N syz-executor.0 10214 7780 777 0 N syz-executor.0 10213 7776 777 0 N syz-executor.0 10212 7774 777 0 N syz-executor.0 10211 7772 777 0 N syz-executor.0 10210 7770 777 0 N syz-executor.0 10209 7768 777 0 N syz-executor.0 10208 7766 777 0 N syz-executor.0 10207 7760 777 0 N syz-executor.0 10206 7758 777 0 N syz-executor.0 10205 7756 777 0 N syz-executor.0 10204 7754 777 0 N syz-executor.0 10203 7752 777 0 N syz-executor.0 10202 6975 777 0 N syz-executor.0 10201 6976 777 0 N syz-executor.0 10200 7663 777 0 N syz-executor.0 10199 7688 777 0 N syz-executor.0 10198 7687 777 0 N syz-executor.0 10197 7686 777 0 N syz-executor.0 10196 7685 777 0 N syz-executor.0 10195 7684 777 0 N syz-executor.0 10194 7683 777 0 N syz-executor.0 10193 7682 777 0 N syz-executor.0 10192 7681 777 0 N syz-executor.0 10191 7680 777 0 N syz-executor.0 10190 7679 777 0 N syz-executor.0 10189 7917 777 0 N syz-executor.0 10188 7915 777 0 N syz-executor.0 10187 7911 777 0 N syz-executor.0 10186 7909 777 0 N syz-executor.0 10185 7907 777 0 N syz-executor.0 10184 7250 777 0 N syz-executor.0 10183 7786 777 0 N syz-executor.0 10182 7035 777 0 N syz-executor.0 10181 7035 777 0 R syz-executor.0 10180 7035 777 0 R syz-executor.0 10179 6978 777 0 R syz-executor.0 10178 6978 777 0 R syz-executor.0 10177 6978 777 0 R syz-executor.0 10176 6978 777 0 R syz-executor.0 10175 6978 777 0 R syz-executor.0 10174 6978 777 0 R syz-executor.0 10173 6978 777 0 R syz-executor.0 10172 6978 777 0 R syz-executor.0 10171 6978 777 0 R syz-executor.0 10170 6978 777 0 R syz-executor.0 10169 6978 777 0 R syz-executor.0 10168 6978 777 0 R syz-executor.0 10167 6978 777 0 R syz-executor.0 10166 7026 777 0 R syz-executor.0 10165 7026 777 0 R syz-executor.0 10164 7026 777 0 R syz-executor.0 10163 7026 777 0 R syz-executor.0 10162 7026 777 0 R syz-executor.0 10161 7026 777 0 R syz-executor.0 10160 6989 777 0 R syz-executor.0 10159 6989 777 0 R syz-executor.0 10158 6989 777 0 R syz-executor.0 10157 6989 777 0 R syz-executor.0 10156 6989 777 0 R syz-executor.0 10155 6935 777 0 R syz-executor.0 10154 6935 777 0 R syz-executor.0 10153 6935 777 0 R syz-executor.0 10152 6935 777 0 R syz-executor.0 10151 6935 777 0 R syz-executor.0 10150 6935 777 0 R syz-executor.0 10149 6935 777 0 R syz-executor.0 10148 7847 777 0 R syz-executor.0 10147 7847 777 0 R syz-executor.0 10146 7847 777 0 R syz-executor.0 10145 7847 777 0 R syz-executor.0 10144 7847 777 0 R syz-executor.0 10143 7847 777 0 R syz-executor.0 10142 7847 777 0 R syz-executor.0 10141 7847 777 0 R syz-executor.0 10140 7847 777 0 R syz-executor.0 10139 7847 777 0 R syz-executor.0 10138 7847 777 0 R syz-executor.0 10137 7847 777 0 R syz-executor.0 10136 7847 777 0 R syz-executor.0 10135 7845 777 0 R syz-executor.0 10134 7845 777 0 R syz-executor.0 10133 7845 777 0 R syz-executor.0 10132 7845 777 0 R syz-executor.0 10131 7845 777 0 R syz-executor.0 10130 7845 777 0 R syz-executor.0 10129 7845 777 0 R syz-executor.0 10128 7845 777 0 R syz-executor.0 10127 7843 777 0 R syz-executor.0 10126 7843 777 0 R syz-executor.0 10125 7843 777 0 R syz-executor.0 10124 7841 777 0 R syz-executor.0 10123 7841 777 0 R syz-executor.0 10122 7841 777 0 R syz-executor.0 10121 7838 777 0 R syz-executor.0 10120 7838 777 0 R syz-executor.0 10119 7838 777 0 R syz-executor.0 10118 7838 777 0 R syz-executor.0 10117 7836 777 0 R syz-executor.0 10116 7836 777 0 R syz-executor.0 10115 7836 777 0 R syz-executor.0 10114 7836 777 0 R syz-executor.0 10113 7836 777 0 R syz-executor.0 10112 7834 777 0 R syz-executor.0 10111 7834 777 0 R syz-executor.0 10110 7834 777 0 R syz-executor.0 10109 7834 777 0 R syz-executor.0 10108 7834 777 0 R syz-executor.0 10107 7834 777 0 R syz-executor.0 10106 7834 777 0 R syz-executor.0 10105 7834 777 0 R syz-executor.0 10104 7834 777 0 R syz-executor.0 10103 7834 777 0 R syz-executor.0 10102 7834 777 0 R syz-executor.0 10101 7834 777 0 R syz-executor.0 10100 7833 777 0 R syz-executor.0 10099 7833 777 0 R syz-executor.0 10098 7833 777 0 R syz-executor.0 10097 7833 777 0 R syz-executor.0 10096 7833 777 0 R syz-executor.0 10095 7833 777 0 R syz-executor.0 10094 7833 777 0 R syz-executor.0 10093 7833 777 0 R syz-executor.0 10092 6864 777 0 R syz-executor.0 10091 6864 777 0 R syz-executor.0 10090 6864 777 0 R syz-executor.0 10089 6864 777 0 R syz-executor.0 10088 6864 777 0 R syz-executor.0 10087 6864 777 0 R syz-executor.0 10086 6864 777 0 R syz-executor.0 10085 6864 777 0 R syz-executor.0 10084 7830 777 0 R syz-executor.0 10083 7830 777 0 R syz-executor.0 10082 7830 777 0 R syz-executor.0 10081 7830 777 0 R syz-executor.0 10080 7830 777 0 R syz-executor.0 10079 7830 777 0 R syz-executor.0 10078 7830 777 0 R syz-executor.0 10077 7830 777 0 R syz-executor.0 10076 7830 777 0 R syz-executor.0 10075 7830 777 0 R syz-executor.0 10074 7828 777 0 N syz-executor.0 10073 7826 777 0 N syz-executor.0 10072 7824 777 0 N syz-executor.0 10071 7822 777 0 N syz-executor.0 10070 7820 777 0 N syz-executor.0 10069 7818 777 0 N syz-executor.0 10068 7817 777 0 N syz-executor.0 10067 7059 777 0 N syz-executor.0 10066 7203 777 0 N syz-executor.0 10065 7202 777 0 N syz-executor.0 10064 7200 777 0 N syz-executor.0 10063 7198 777 0 N syz-executor.0 10062 7806 777 0 N syz-executor.0 10061 10061 0 0 NW syz-executor.0 10060 10060 0 0 NW syz-executor.0 10059 10059 0 0 NW syz-executor.0 10058 10058 0 0 NW syz-executor.0 10057 10057 0 0 NW syz-executor.0 10056 10056 0 0 NW syz-executor.0 10055 10055 0 0 NW syz-executor.0 10054 10054 0 0 NW syz-executor.0 10053 10053 0 0 NW syz-executor.0 10052 10052 0 0 NW syz-executor.0 10051 10051 0 0 NW syz-executor.0 10050 10050 0 0 NW syz-executor.0 10049 10049 0 0 NW syz-executor.0 10048 10048 0 0 NW syz-executor.0 10047 10047 0 0 NW syz-executor.0 10046 10046 0 0 NW syz-executor.0 10045 10045 0 0 NW syz-executor.0 10044 10044 0 0 NW syz-executor.0 10043 10043 0 0 NW syz-executor.0 10042 10042 0 0 NW syz-executor.0 10041 10041 0 0 NW syz-executor.0 10040 10040 0 0 NW syz-executor.0 10039 10039 0 0 NW syz-executor.0 10038 10038 0 0 NW syz-executor.0 10037 10037 0 0 NW syz-executor.0 10036 10036 0 0 NW syz-executor.0 10035 7678 777 0 N syz-executor.0 10034 7677 777 0 N syz-executor.0 10033 7676 777 0 N syz-executor.0 10032 7675 777 0 N syz-executor.0 10031 7674 777 0 N syz-executor.0 10030 7673 777 0 N syz-executor.0 10029 7672 777 0 N syz-executor.0 10028 7670 777 0 N syz-executor.0 10027 7668 777 0 N syz-executor.0 10026 7666 777 0 N syz-executor.0 10025 7665 777 0 N syz-executor.0 10024 7664 777 0 N syz-executor.0 10023 7662 777 0 N syz-executor.0 10022 7661 777 0 N syz-executor.0 10021 7660 777 0 N syz-executor.0 10020 7659 777 0 N syz-executor.0 10019 7658 777 0 N syz-executor.0 10018 7657 777 0 N syz-executor.0 10017 7656 777 0 N syz-executor.0 10016 7655 777 0 N syz-executor.0 10015 7654 777 0 N syz-executor.0 10014 7653 777 0 N syz-executor.0 10013 7652 777 0 N syz-executor.0 10012 7651 777 0 N syz-executor.0 10011 7650 777 0 N syz-executor.0 10010 7649 777 0 N syz-executor.0 10009 7648 777 0 N syz-executor.0 10008 7647 777 0 N syz-executor.0 10007 7646 777 0 N syz-executor.0 10006 7645 777 0 N syz-executor.0 10005 7644 777 0 N syz-executor.0 10004 7618 777 0 N syz-executor.0 10003 7643 777 0 N syz-executor.0 10002 7642 777 0 N syz-executor.0 10001 7641 777 0 N syz-executor.0 10000 7639 777 0 N syz-executor.0 9999 7638 777 0 N syz-executor.0 9998 7637 777 0 N syz-executor.0 9997 7635 777 0 N syz-executor.0 9996 7634 777 0 N syz-executor.0 9995 7633 777 0 N syz-executor.0 9994 7632 777 0 N syz-executor.0 9993 7630 777 0 N syz-executor.0 9992 7629 777 0 N syz-executor.0 9991 7628 777 0 N syz-executor.0 9990 7627 777 0 N syz-executor.0 9989 7625 777 0 N syz-executor.0 9988 7624 777 0 N syz-executor.0 9987 7623 777 0 N syz-executor.0 9986 7619 777 0 N syz-executor.0 9985 7252 777 0 N syz-executor.0 9984 7259 777 0 N syz-executor.0 9983 7039 777 0 N syz-executor.0 9982 7616 777 0 N syz-executor.0 9981 9981 0 0 NW syz-executor.0 9980 9980 0 0 NW syz-executor.0 9979 9979 0 0 NW syz-executor.0 9978 7116 777 0 N syz-executor.0 9977 7114 777 0 N syz-executor.0 9976 7112 777 0 N syz-executor.0 9975 7715 777 0 N syz-executor.0 9974 7111 777 0 N syz-executor.0 9973 7054 777 0 N syz-executor.0 9972 7713 777 0 N syz-executor.0 9971 7778 777 0 N syz-executor.0 9970 6862 777 0 N syz-executor.0 9969 6867 777 0 N syz-executor.0 9968 6879 777 0 N syz-executor.0 9967 6880 777 0 N syz-executor.0 9966 7028 777 0 N syz-executor.0 9965 7053 777 0 N syz-executor.0 9964 7711 777 0 N syz-executor.0 9963 7709 777 0 N syz-executor.0 9962 7050 777 0 N syz-executor.0 9961 7030 777 0 N syz-executor.0 9960 7034 777 0 N syz-executor.0 9959 7048 777 0 N syz-executor.0 9958 7035 777 0 R syz-executor.0 9957 6978 777 0 R syz-executor.0 9956 6881 777 0 N syz-executor.0 9955 7026 777 0 R syz-executor.0 9954 7025 777 0 R syz-executor.0 9953 6978 777 0 R syz-executor.0 9952 6941 777 0 R syz-executor.0 9951 6909 777 0 R syz-executor.0 9950 6894 777 0 R syz-executor.0 9949 6906 777 0 R syz-executor.0 9948 6891 777 0 R syz-executor.0 9947 6885 777 0 R syz-executor.0 9946 7044 777 0 R syz-executor.0 9945 6885 777 0 R syz-executor.0 9944 6889 777 0 R syz-executor.0 9943 6885 777 0 R syz-executor.0 9942 6887 777 0 R syz-executor.0 9941 7671 777 0 N syz-executor.0 9940 6861 777 0 R syz-executor.0 9939 7535 777 0 R syz-executor.0 9424 7395 777 0 R syz-executor.0 9423 7393 777 0 D pfault 0xffffffff8324f700 syz-executor.0 9422 7392 777 0 D pfault 0xffffffff8324f700 syz-executor.0 9938 7484 777 0 R syz-executor.0 9937 7484 777 0 R syz-executor.0 9936 7484 777 0 R syz-executor.0 9935 7484 777 0 R syz-executor.0 9934 7484 777 0 R syz-executor.0 9933 7484 777 0 R syz-executor.0 9932 7484 777 0 R syz-executor.0 9931 7482 777 0 R syz-executor.0 9930 7482 777 0 R syz-executor.0 9929 7482 777 0 R syz-executor.0 9928 7482 777 0 R syz-executor.0 9927 7482 777 0 R syz-executor.0 9926 7482 777 0 R syz-executor.0 9925 7480 777 0 R syz-executor.0 9924 7535 777 0 R syz-executor.0 9923 7480 777 0 R syz-executor.0 9922 7535 777 0 R syz-executor.0 9921 7480 777 0 R syz-executor.0 9920 7027 777 0 R syz-executor.0 9919 7480 777 0 R syz-executor.0 9918 7480 777 0 R syz-executor.0 9917 7027 777 0 R syz-executor.0 9916 7480 777 0 R syz-executor.0 9915 7027 777 0 R syz-executor.0 9914 7534 777 0 R syz-executor.0 9913 7478 777 0 R syz-executor.0 9912 7534 777 0 R syz-executor.0 9911 7478 777 0 R syz-executor.0 9910 7478 777 0 R syz-executor.0 9909 7534 777 0 R syz-executor.0 9908 7478 777 0 R syz-executor.0 9907 7534 777 0 R syz-executor.0 9906 7478 777 0 R syz-executor.0 9905 7534 777 0 R syz-executor.0 9904 7478 777 0 R syz-executor.0 9903 7534 777 0 R syz-executor.0 9902 7478 777 0 R syz-executor.0 9901 7534 777 0 R syz-executor.0 9900 7478 777 0 R syz-executor.0 9899 7534 777 0 R syz-executor.0 9898 7474 777 0 R syz-executor.0 9897 7532 777 0 R syz-executor.0 9896 7532 777 0 R syz-executor.0 9895 7474 777 0 R syz-executor.0 9894 7532 777 0 R syz-executor.0 9893 7474 777 0 R syz-executor.0 9892 7532 777 0 R syz-executor.0 9891 7474 777 0 R syz-executor.0 9890 7532 777 0 R syz-executor.0 9889 7474 777 0 R syz-executor.0 9888 7532 777 0 R syz-executor.0 9887 7474 777 0 R syz-executor.0 9886 7474 777 0 R syz-executor.0 9885 7532 777 0 R syz-executor.0 9884 7474 777 0 R syz-executor.0 9883 7532 777 0 R syz-executor.0 9882 7472 777 0 R syz-executor.0 9881 6908 777 0 R syz-executor.0 9880 7472 777 0 R syz-executor.0 9879 6908 777 0 R syz-executor.0 9878 7472 777 0 R syz-executor.0 9877 6908 777 0 R syz-executor.0 9876 7472 777 0 R syz-executor.0 9875 6908 777 0 R syz-executor.0 9874 7472 777 0 R syz-executor.0 9873 6908 777 0 R syz-executor.0 9872 7472 777 0 R syz-executor.0 9871 6908 777 0 R syz-executor.0 9870 7472 777 0 R syz-executor.0 9869 6908 777 0 R syz-executor.0 9868 7472 777 0 R syz-executor.0 9867 6908 777 0 R syz-executor.0 9866 7470 777 0 R syz-executor.0 9865 7023 777 0 R syz-executor.0 9864 7023 777 0 R syz-executor.0 9863 7470 777 0 R syz-executor.0 9862 7023 777 0 R syz-executor.0 9861 7470 777 0 R syz-executor.0 9860 7023 777 0 R syz-executor.0 9859 7470 777 0 R syz-executor.0 9858 7023 777 0 R syz-executor.0 9857 747serialport: VM disconnected.